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马莉莎, 董利锋, 郜颖, 姜忠爱
The non- continuous line and trajectory based on AutoCAD and ship graphing
MA Li-sha, DONG Li-feng, GAO Ying, JIANG Zhong-ai
大连海洋大学学报 . 2009, (1): 71 -75 .  DOI: 10.3969/j.issn.1000-9957.2009.01.014